 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.views.navigator;

 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.actions.SelectionProviderAction;

 /**
  * Superclass of all actions provided by the resource navigator.
  */
 public abstract class ResourceNavigatorAction extends SelectionProviderAction {

     private IResourceNavigator navigator;

     /**
      * Creates a new instance of the class.
      */
     public ResourceNavigatorAction(IResourceNavigator navigator, String label) {
         super(navigator.getViewer(), label);
         this.navigator = navigator;
     }

     /**
      * Returns the resource navigator for which this action was created.
      */
     public IResourceNavigator getNavigator() {
         return navigator;
     }

     /**
      * Returns the resource viewer
      */
     protected Viewer getViewer() {
         return getNavigator().getViewer();
     }

     /**
      * Returns the shell to use within actions.
      */
     protected Shell getShell() {
         return getNavigator().getSite().getShell();
     }

     /**
      * Returns the workbench.
      */
     protected IWorkbench getWorkbench() {
         return PlatformUI.getWorkbench();
     }

     /**
      * Returns the workbench window.
      */
     protected IWorkbenchWindow getWorkbenchWindow() {
         return getNavigator().getSite().getWorkbenchWindow();
     }
 }

